Imperial standard manual no.50 typewriter c.1946.

Group of standard weights from around the world.

Standard Elizabethan weights, 1558-1582.

Standard Elizabethan weights, 1558-1582.

Standards of the Realm, c 1558-1588.

Elizabethan Exchequer standard yard, c 1582

Standard cubic inch measure, 1889.

Standard cubic inch measure, 1889.

Standards of the Realm, c 1495-1601.

Standards of the Realm, 1495-1601.

Bronze Exchequer standard gallon measure, c 1495, and litre measure.

Standard Henry VII Winchester bushel, 1497-1509.